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Ubuntu 21.10 USN-5411-1: Critical firefox crash vulnerabilities identified

ubuntu
Calendar Grey May 11, 2022
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-5411-1 addresses critical security flaws in Firefox that could lead to application crashes or the execution of malicious code.
Firefox could be made to crash or run programs as your login if it opened a malicious website.

Summary

Firefox could be made to crash or run programs as your login if it

opened a malicious website.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

Multiple security issues were discovered in Firefox. If a user were

tricked into opening a specially crafted website, an attacker could

potentially exploit these to cause a denial of service, spoof the

browser UI, bypass permission prompts, obtain sensitive information,

bypass security restrictions, or execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service software update firefox ubuntu crash risk malicious website

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.10:
  firefox                         100.0+build2-0ubuntu0.21.10.1

Ubuntu 20.04 LTS:
  firefox                         100.0+build2-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         100.0+build2-0ubuntu0.18.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5411-1

CVE-2022-29909, CVE-2022-29911, CVE-2022-29912, CVE-2022-29914,

CVE-2022-29915, CVE-2022-29916, CVE-2022-29917, CVE-2022-29918

Severity
critical
Lowest
Low
Medium
High
Critical

May 11, 2022

Topics%20covered

Topics Covered

security advisory denial of service software update firefox ubuntu crash risk malicious website

Package Information

https://launchpad.net/ubuntu/+source/firefox/100.0+build2-0ubuntu0.21.10.1
https://launchpad.net/ubuntu/+source/firefox/100.0+build2-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/100.0+build2-0ubuntu0.18.04.1

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